49416181 has 2 divisors, whose sum is σ = 49416182. Its totient is φ = 49416180.

The previous prime is 49416163. The next prime is 49416197. The reversal of 49416181 is 18161494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41344900 + 8071281 = 6430^2 + 2841^2 .

It is a cyclic number.

It is not a de Polignac number, because 49416181 - 2²¹ = 47319029 is a prime.

It is a super-2 number, since 2×49416181² = 4883917889249522, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49416281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24708090 + 24708091.

It is an arithmetic number, because the mean of its divisors is an integer number (24708091).

Almost surely, 2^49416181 is an apocalyptic number.

It is an amenable number.

49416181 is a deficient number, since it is larger than the sum of its proper divisors (1).

49416181 is an equidigital number, since it uses as much as digits as its factorization.

49416181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 49416181 is about 7029.6643589861. The cubic root of 49416181 is about 366.9636608437.

The spelling of 49416181 in words is "forty-nine million, four hundred sixteen thousand, one hundred eighty-one".